Crew Digs Up Mysterious Round Stones, Then Finds Out Where They Came From

Signal activated

The glow intensified briefly, then the object emitted a soft, low, steady tone, like a signal activated for some unknown reason.

Peter’s grip tightened instinctively as both men stared at it, realizing at the same time that this was never meant to be found by regular civilians. “This feels shady, man,” Mark spoke nervously.